Gyoto::Hook::Teller Class Reference

Listen to me and I'll warn you when I change. More...

#include <GyotoHooks.h>

Inheritance diagram for Gyoto::Hook::Teller:

Public Member Functions
	Teller ()
	Default constructor.
	Teller (const Teller &)
	Copy constructor.
virtual	~Teller ()
	Destructor.
virtual void	hook (Listener *listener)
	Start listening. More...
virtual void	unhook (Listener *listener)
	Stop listening. More...

Protected Member Functions
virtual void	tellListeners ()
	Call tell() on each hooked Listener. More...

Private Attributes
ListenerItem *	listeners_
	Linked list of Listener items.

Friends
class	Gyoto::Hook::Listener

Detailed Description

Listen to me and I'll warn you when I change.

Listen to me by calling my hook() method.

Member Function Documentation

hook()

virtual void Gyoto::Hook::Teller::hook ( Listener *  listener )

virtual

Start listening.

Use from a Hook::Listener object method:

teller->hook(this)

where "this" is a Listener and "teller" is a Teller.

Use unhook() later to stop listening to a given Teller.

Parameters

listener

pointer to the new listener

tellListeners()

virtual void Gyoto::Hook::Teller::tellListeners ( )

protectedvirtual

Call tell() on each hooked Listener.

Whenever a Teller mutates, it should warn any Listener hooked to it using tellListeners().

unhook()

virtual void Gyoto::Hook::Teller::unhook ( Listener *  listener )

virtual

Stop listening.

Use from a Hook::Listener object method:

teller->unhook(this)

where "this" is a Listener, "teller" is a Teller, and "this" has called teller->hook(this) previously.

Parameters

listener

pointer to the listener

---

The documentation for this class was generated from the following file:

• GyotoHooks.h